True Wealth: How and Why Millions of Americans Are Creating a Time-Rich,Ecologically Light,Small-Scale, High-Satisfaction Economy

The second component is the spur to

A second sustainability principle is multifunctionality.

IAMs, or integrated assessment models, because they combine assumptions about the physical world with macroeconomic equations.

University of Massachusetts economist James Boyce, Indian environmentalists Anil Agarwal and Sunita Narain, and others, this work has found that income and human well-being expand when degraded land, water, and ecosystems are cleaned up and repurposed by the people who live on and around them.

There is a way forward, and I call it plenitude.

An international collaboration among ecological economists and scientists that attempted to define safe operating zones, or what they term “planetary boundaries,” reported in 2009 that of the nine they identified, we’d already exceeded three (climate, biodiversity, the nitrogen cycle), and were approaching limits on four more (freshwater use, land

the second principle of plenitude, which is to diversify from the BAU market and “self-provision,” or make, grow, or do things for oneself.

“sustainability plus,” a way of living that gives more back to the earth than it takes.

Soon enough an outpouring of scientific data was reframing the discussion away from the fixed resources highlighted in Limits to the renewable systems on which life depends—atmosphere, forests, oceans, wetlands, and soils.